Display screen or portion thereof with a graphical user interface for analytics



The FIGURE is a front view of a display screen or portion thereof with a graphical user interface for analytics, showing the new design.

Within the drawing, the outermost broken lines are for the purpose of illustrating the display screen or portion thereof and forms no part of the claimed design. Other dashed lines within the outermost boundary including text, icons, charts, and other graphical elements form no part of the claimed design. 

CLAIM The ornamental design for a display screen or portion thereof with a graphical user interface for analytics, as shown and described. 